Reports and letters from the engineers employed in the revised location of the western section of the Chesapeake and Ohio Canal [microform] : with the estimates of the cost of the same ....
Chesapeake and Ohio Canal Company.
Wright, Benjamin,1770-1842lcn01993485
Roberts, Nathan S.
[Washington, D.C.? : s.n.,
1829?]
In its First annual report (Washington, 1829), 104 p. at end.
Reports made by Benjamin Wright and Nathan S. Roberts.
Sabin 12510.
Sabin Group 67.
Microfiche.